Isn't he lovely: Beyonce, Gaga, Pharrell honor Stevie Wonder

Beyonce, Lady Gaga, Pharrell and Annie Lennox were part of the all-star acts who paid tribute to the piano-playing icon at a concert Tuesday night in Los Angeles, just days after the Grammys aired. Beyonce kicked off the taped event presented by the Recording Academy by walking up an isle of the Nokia Theatre L.A. Live and singing "Fingertips."